Infrastructure Support Analyst

Job ID: 15523Company: Sopra SteriaLocation: Portsmouth, Portsmouth, GBRJob Type: PermanentJob Level: Level 2Category: Network and InfrastructureIndustry: Professional ServicesPosted Date: 2026-07-13DV Cleared Infrastructure Engineer.

Ready to put your infrastructure skills to work where they really matter? We're looking for DV Cleared Infrastructure Engineers to join an exciting new programme supporting highly secure, mission-critical systems. If you're passionate about infrastructure, enjoy solving complex technical challenges, and want to play a key role in keeping essential services running, this could be the opportunity you've been waiting for.

You'll join a close-knit team operating at the heart of a secure environment, helping to maintain, support, and continuously improve critical infrastructure. This is a hands-on role where you'll investigate technical issues, drive operational excellence, and contribute to services that make a real impact.

Working onsite in Portsmouth, you'll be surrounded by talented colleagues who genuinely collaborate, share knowledge, and take pride in delivering high-quality outcomes within a fast-paced and rewarding environment. As part of a 24/7 support team, you'll help ensure the stability, availability, and performance of business-critical applications and infrastructure while contributing to service improvements, project work, testing activities, and operational development.

Training & LocationFor your first six months, you'll complete a structured training programme based in Hemel Hempstead, attending the office 1-2 days per week and working remotely for the remainder. Once training is complete, you'll transition permanently to our Portsmouth site, where the role is fully onsite.

What you’ll be doing:Supporting and managing core infrastructure including servers, storage, networking, and operating systems. Managing incidents, problems, requests, and changes within an ITIL-aligned environment. Investigating and resolving technical issues, performing root cause analysis, and driving service improvements.

Monitoring live services to ensure performance, availability, and resilience. Supporting project delivery, testing, implementation, and release activities. Creating and maintaining technical documentation and operational procedures.

Contributing to the continuous improvement of systems, services, and processes. What you’ll bring:Experience in infrastructure support, systems administration, or technical operations. Strong Wintel experience. Excellent troubleshooting and problem-solving skills.

Knowledge of ITIL-based service management practices. Experience working within structured operational environments. The ability to work independently and collaboratively within a technical team. Current DV Clearance. It would be great if you had:Experience supporting infrastructure through automation, scripting, or DevOps practices.

Previous experience in a 24/7 operational support environment. Strong infrastructure management experience. Exposure to:WAN/LAN NetworkingServers & StorageExperience supporting testing, service validation, or release activities.

Technical documentation and knowledge-sharing experience. If you’re interested in this role but not sure if your skills and experience are exactly what we’re looking for, please do apply, we’d love to hear from you! Employment Type: Full‑time, PermanentLocation: Portsmouth - full time onsite part of a 24/7 shift-based support teamSecurity Clearance Level:DV Cleared Internal Recruiter: JaneSalary 45,000 to 65,000Benefits: 25 days annual leave with the option to buy additional days, life assurance, pensionThis is a rare opportunity to work on a high-profile, secure programme where your expertise directly contributes to the stability and performance of critical services.

You'll gain exposure to complex technologies, work alongside experienced professionals, and be part of an environment where teamwork, learning, and technical excellence are valued every day. Loved reading about this job and want to know more about the sector?

Sopra Steria’s Aerospace, Defence and Security business designs, develops and deploys digital solutions to Central Government clients. The work we do makes a real difference to the client’s goal of National Security, and we operate in a unique and privileged environment.

We are given time for professional development activities, and we coach and mentor our colleagues, sharing knowledge and learning from each other. We foster a culture in which employees feel valued and supported and have pride in their work for the customer, delivering outstanding rates of customer satisfaction in the UK’s most complex safety‑ and security‑critical markets.

Skillsdv clearanceinfrastructure supportitilsystems administrationwinteltroubleshootingincident managementroot cause analysistechnical documentationoperational proceduresservice improvementwan networkinglan networkingserver administrationstorage managementdevopsautomationtestingservice validationrelease managementproject deliveryknowledge sharingtechnical team collaboration

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